THE final pieces of the 2018 Supercars grid puzzle are falling into place with confirmation of Andre Heimgartner taking up Todd Kelly’s seat at Nissan Motorsport, and Will Davison moving to the new 23Red team.

Heimgartner joins 2006 series champion Rick Kelly, as well as Michael Caruso and Simona de Silvestro in the Braeside-based outfit.

“I’m delighted to reveal that I’ll be joining Nissan Motorsport next year,” said Heimgartner.

“The team and the facility are world class. Rick and Michael both have heaps of experience in Supercars, plus Simona has raced...